Question

What is the p/q form of 0.1237 if the bar is on 7?

Answer 1

Let x=0.1237(bar on 7)
x=0.12377777 ........(1)

Multiply by 10,
10×x=10×0.1237777
10x=1.23777777. .........(2)

Subtract 1 from 2

10x-x =1.237777... -0.123777...
9x=1.114
9x =1114/1000
x=1114/9000




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